Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, other leaders and China's top science award winners Liu Yongtan and Qian Qihu, present certificates to representatives of the winners of the State Natural Science Award, the State Technological Invention Award, the State Scientific and Technological Progress Award, and the International Science and Technology Cooperation Award during an annual ceremony to honor distinguished scientists, engineers, and research achievements at the Great Hall of the People in Beijing, capital of China, Jan. 8, 2019. Liu Yongtan, an academician of the Chinese Academy of Sciences and the Chinese Academy of Engineering (CAE), is from the Harbin Institute of Technology, and Qian Qihu, a CAE academician, is from the Army Engineering University of the People's Liberation Army. (Xinhua/Ju Peng)